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An inequality is a mathematical relation between two values. There are four different kinds of inequalities: two values can be less than each other, greater than each other, less than or equal to each other, or greater than or equal to each other. Understanding how to use these four inequalities and their properties opens up the possibility of expressing how two values relate to each other in a clear and concise manner. Learn about the different properties of inequalities by helping Jackson, a wildlife tracker, record observations about some interesting eating habits of crocodiles. Common Core Reference: CCSS.MATH.CONTENT.7.EE.B.4